Radio Stars on Parade

A detective is hired to protect the life of a singer, who has recently inherited a department store, from the store's crooked manager.

The story of seven scholars in search of an expert to teach them about swing music. They seem to have found the perfect candidate in winsome nightclub singer Honey Swanson. But Honey's gangster boyfriend doesn't want to give her up.

A fledgling producer finds himself at odds with his workers, financiers and his greedy ex-wife when he tries to produce live musicals for movie-going audiences.

Mickey Moran, son of two vaudeville veterans, decides to put up his own vaudeville show with his girlfriend Patsy Barton. But child actress Rosalie wants to make a comeback and replace Patsy both professionally and as Mickey's girl.

Doctor Hugo Hackenbush, Tony, and Stuffy try and save Judy's sanitarium by winning a big race with a finicky horse owned by Judy's boyfriend Gil. There are a few problems. Hackenbush, who was recently put in charge of the sanitarium, isn't really a doctor, he's a veterinarian.

A down-and-out gangster hires a down-on-his-luck agent to make his girlfriend a recording star within six weeks.

Mario "Cantinflas" Moreno is a hired hand, Pepe, employed on a ranch. A boozing Hollywood director buys a white stallion that belongs to Pepe's boss. Pepe, determined to get the horse back (as he considers it his family), decides to take off to Hollywood. There he meets film stars including Jimmy Durante, Frank Sinatra, Zsa Zsa Gabór, Bing Crosby, Maurice Chevalier and Jack Lemmon in drag as Daphne from Some Like It Hot. He is also surprised by things that were new in America at the time, such as automatic swinging doors. When he finally reaches the man who bought the horse, he is led to believe there is no hope of getting it back. However, the last scene shows both him and the stallion back at the ranch with several foals.

The Marx Brothers help young Broadway hopefuls when they get mixed up with gangsters due to a tin of sardines containing Romanoff diamonds.

During the Florida land boom, the Marx Brothers run a hotel, auction off some land and thwart a jewel robbery.

The well-known explorer and hunter Captain Spaulding has just returned from Africa, and is being welcomed home with a lavish party at the estate of influential society matron Mrs. Rittenhouse when a valuable painting goes missing. The intrepid Captain Spaulding attempts to solve the crime with the help of his silly secretary Horatio Jamison, while sparring with the anarchic Signor Emanuel Ravelli and his nutty sidekick The Professor.